AASI Home Improvement Systems specializes in the installation of residential and commercial roofing, siding, windows, doors, awnings and custom patio enclosures. The company has been in business for more than 25 years and provides steel siding coil, roofing materials, aluminum and vinyl siding, gutter machines, custom windows and doors, patio enclosures and covers, awnings, canopies, screen and glass enclosures, brakes and ladders. The firm s representatives are trained to assist customers in assessing hail and wind damage to homes and assists in making claims with insurance providers. The company is a division of Advance Aluminum Supply and offers resources on home improvement on its Web site. AASI Home Improvement Systems has its headquarters in Minneapolis.